Ubuntu
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  1. Bug #1096497
  2. Comment #4

Comment 4 for bug 1096497

Revision history for this message
Dave Gilbert (ubuntu-treblig) wrote : Re: [Bug 1096497] Re: Disabling lock debugging due to kernel taint with no apparent cause

* Joseph Salisbury (<email address hidden>) wrote:
> I can reproduce this issue with Raring. It doesn't seem to happen with
> Quantal.
>
> The value of 2 for /proc/sys/kernel/tainted may indicate:
>
> #define TAINT_UNSAFE_SMP 2

Be careful - I think that's a value that's shifted; my reading
of it was that it's actually the TAINT_FORCED (sorry can't
remember exact name) that has a value of 1, and 1<<1 is 2.

> Since I can reproduce the bug, I'll perform a kernel bisect to see what
> commit introduced this regression.
>
> ** Tags added: regression-release

Dave